Robtex

Up: 89.146.1.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 89.146.1.0/26
Down right: 89.146.1.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.146.1.1	A	radius01.routit.net
89.146.1.3	PTR	rt1bb146-89-3.routit.net
89.146.1.9	PTR	rt1bb146-89-9.routit.net
89.146.1.11	PTR	rt1bb146-89-11.routit.net
89.146.1.18	A	rotte.routit.net
89.146.1.22	PTR	rt1bb146-89-22.routit.net
89.146.1.32	PTR	rt1bb146-89-32.routit.net
89.146.1.36	PTR	rt1bb146-89-36.routit.net
89.146.1.39	A	mail.eissesbv.nl
89.146.1.48	A+PTR	ws1.voipit.nl
89.146.1.48	A	ws.voipit.nl
89.146.1.49	A+PTR	ws2.voipit.nl
89.146.1.49	A	ws.voipit.nl
89.146.1.50	A+PTR	xsp.voipit.nl
89.146.1.54	PTR	rt1bb146-89-54.routit.net
89.146.1.55	PTR	partners1-tc1.voipit.nl
89.146.1.55	A	sp.voipit.nl
89.146.1.55	A	partners.voipit.nl
89.146.1.56	A+PTR	partners1-tc2.voipit.nl
89.146.1.56	A	sp.voipit.nl
89.146.1.56	A	partners.voipit.nl
89.146.1.57	A	webapps.voipit.nl
89.146.1.58	PTR	loki1-tc1.voipit.nl
89.146.1.59	PTR	nps1-tc2.voipit.nl
89.146.1.60	A	recorder1-web.voipit.nl
89.146.1.61	A	xsp.hipxo.nl
89.146.1.62	A	xsp.kpneen.nl
89.146.1.63	PTR	rt1bb146-89-63.routit.net
89.146.1.69	PTR	rt1bb146-89-69.routit.net
89.146.1.73	PTR	rt1bb146-89-73.routit.net
89.146.1.73	A	zacos.nl
89.146.1.74	A	gm.ib.routit.net
89.146.1.75	PTR	rt1bb146-89-75.routit.net
89.146.1.80	A	novitarius.nl
89.146.1.81	PTR	rt1bb146-89-81.routit.net
89.146.1.81	A	meerbusiness.nl
89.146.1.81	A	meeslouwer.nl
89.146.1.82	A	www.passaat.nl
89.146.1.93	PTR	rt1bb146-89-93.routit.net
89.146.1.96	A	mail.pcelburg.nl
89.146.1.105	A	mail.pcelburg.nl
89.146.1.107	PTR	rt1bb146-89-107.routit.net
89.146.1.107	A	mail.keminkconsultancy.com
89.146.1.107	A	mail.b-v.nl